219375740 has 12 divisors (see below), whose sum is σ = 460689096. Its totient is φ = 87750288.

The previous prime is 219375727. The next prime is 219375797. The reversal of 219375740 is 47573912.

219375740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 219375694 and 219375703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5484374 + ... + 5484413.

It is an arithmetic number, because the mean of its divisors is an integer number (38390758).

Almost surely, 2^219375740 is an apocalyptic number.

219375740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219375740 is an abundant number, since it is smaller than the sum of its proper divisors (241313356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219375740 is a wasteful number, since it uses less digits than its factorization.

219375740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968796 (or 10968794 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 219375740 is about 14811.3382244819. The cubic root of 219375740 is about 603.1095419271.

The spelling of 219375740 in words is "two hundred nineteen million, three hundred seventy-five thousand, seven hundred forty".